Keyboard



FIG. 1 is a perspective view of a keyboard, showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged view of the encircled portion A as shown in FIG. 1; and,

FIG. 9 is an enlarged view of the encircled portion B as shown in FIG. 6.

The broken lines are for environmental purpose only and form no part of the claimed design. 

CLAIM The ornamental design for a keyboard, as shown and described. 